#!/bin/bash
# @Author: lemon
# @Date:   2018-10-31 15:32:35
# @Last Modified by:   lemon
# @Last Modified time: 2019-04-18 10:20:10

os_platform=`uname -s`

 if [[ "${os_platform}" = "Darwin" ]];then
    echo `date -v+0M +%s`000
elif [[ "${os_platform}" = "Linux" ]];then
    echo `date -d +0min +%s`000
fi